Nikon SK-6 Power Bracket for Nikon SB-800
SB-900 Flashguns

The Nikon SK-6 is an external
power unit and mounting bracket combination. Reduces flash recycling time by
half while nearly doubling the amount of available flashes. Offers convenient,
adjustable side-mounted handle for entire camera/Speedlight system, or for
creative lighting effects when unit is detached from camera. Camera, flash,
and all other necessary connections made within this single unit.